<template>
  <div class="father">
    <h3>父组件</h3>
    <h4>汽车: {{ car }}</h4>
    <h4 v-if="toy">子给的玩具: {{ toy }}</h4>
		<Child :car="car" :sendToy="getToy"/>
  </div>
</template>

<script setup lang="ts" name="Father">
//父传子:属性值是非函数
//子传父:属性值是函数
	import Child from './Child.vue'
  import {ref} from "vue";

  //数据
  const car = ref('奔驰')
  const toy = ref('')

  //定义一个方法
  function  getToy(value:string) {
    console.log(value)
    toy.value = value
  }
</script>

<style scoped>
	.father{
		background-color:rgb(165, 164, 164);
		padding: 20px;
		border-radius: 10px;
	}
</style>